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dolphin/Source/Core/Common/Crypto/bn.h

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Crypto: small cleanup
2014-02-28 11:41:10 +00:00
// Copyright 2014 Dolphin Emulator Project
Update license headers to GPLv2+
2015-05-17 23:08:10 +00:00
// Licensed under GPLv2+
Crypto: small cleanup
2014-02-28 11:41:10 +00:00
// Refer to the license.txt file included.
#pragma once
#include "Common/CommonTypes.h"
// bignum arithmetic
bn: Use int instead of u32 for sizes The loops relied on unsigned integer overflow, which is not immediately obvious. Replace them with less clever variants that are clearer. Also implement bn_compare using std::memcmp.
2018-05-15 22:27:43 +00:00
int bn_compare(const u8* a, const u8* b, int n);
void bn_sub_modulus(u8* a, const u8* N, int n);
void bn_add(u8* d, const u8* a, const u8* b, const u8* N, int n);
void bn_mul(u8* d, const u8* a, const u8* b, const u8* N, int n);
void bn_inv(u8* d, const u8* a, const u8* N, int n); // only for prime N
void bn_exp(u8* d, const u8* a, const u8* N, int n, const u8* e, int en);